package chapter04;
class Animal16{
    public void shout(){
        System.out.println("喵喵······");
    }
}


class Dog16 extends Animal {
    public void shout(){
        System.out.println("汪汪······");
    }
    public void eat(){
        System.out.println("吃骨头······");
    }
}
public class example16 {
    public static void main(String[] args) {
        Animal an = new Dog();
        Dog16 dog = (Dog16) an;
        dog.shout();
        dog.eat();
    }
}
